Class / Patent application number | Description | Number of patent applications / Date published |
361524000 | Dielectric | 62 |
20080198533 | Solid capacitor and manufacturing method thereof - A solid capacitor and the manufacturing method thereof are disclosed. The solid capacitor consists of a dielectric layer and two electrodes. A plurality of holes formed by an opening process is disposed on surface of the dielectric layer. The two electrodes connect with the dielectric layer by the holes. By means of a plurality of high temperature volatile matters, the plurality of holes is formed on surface of the dielectric layer during sintered process. The holes are connected with the outside so as to increase surface area of the dielectric layer and further the capacity is increased. And the solid capacitor stores charge by physical means. Moreover, the solid capacitor can be stacked repeatedly to become a multilayer capacitor. | 08-21-2008 |
20080218940 | High dielectric capacitor materials and method of their production - Methods of producing polycrystalline and single crystal dielectrics are disclosed, including dielectrics comprising CaCu | 09-11-2008 |
20080232034 | SOLID ELECTROLYTIC CAPACITOR AND METHOD OF MANUFACTURING THE SAME - A method of manufacturing a solid electrolytic capacitor includes: rolling an anode foil, a cathode foil and a separator together, the separator being a mixed fiber composed of a chemical fiber and a natural fiber and being between the anode foil and the cathode foil; degrading and removing the natural fiber with enzyme; and forming an electrolytic layer composed of solid polymer between the anode foil and the cathode foil after degrading and removing the natural fiber. | 09-25-2008 |
20080259527 | NIOBIUM SOLID ELECTROLYTIC CAPACITOR AND ITS PRODUCTION METHOD - Disclosed are a niobium solid electrolytic capacitor capable of reducing leak current that may occur in high heat treatment in a reflow process and capable of preserving the capacity before and after heat treatment, and a method for producing it. The niobium solid electrolytic capacitor comprises an anode containing an oxide of niobium monoxide or niobium dioxide and a metal of niobium or a niobium alloy, a dielectric layer formed on the surface of the anode, and a cathode formed on the dielectric layer, wherein the dielectric layer contains fluorine. | 10-23-2008 |
20080297982 | SOLID ELECTROLYTIC CAPACITOR AND METHOD OF MANUFACTURING THE SAME - One aspect of the embodiment provides a solid electrolytic capacitor that comprises: an anode; a dielectric layer formed on the surface of this anode; an electrically-conductive polymer layer formed on the dielectric layer; and a cathode layer formed on this electrically-conductive polymer layer. At least manganese is contained in the dielectric layer, and the manganese distributes in a way that the manganese is present more in a part of the dielectric layer that is closer to the cathode (or in the interface between the dielectric layer and the electrically-conductive polymer layer). | 12-04-2008 |
20080316681 | Capacitor and Method for Manufacturing Same - The present invention relates to a capacitor having high capacitance, low ESR (equivalent series resistance) in a high-frequency region and low leakage current, comprising a composite oxide film obtained by reaction of an oxide film obtained by subjecting the surface of the substrate comprising valve-acting metal element with a solution in which metal ion and an organic base are dissolved and by subsequently sintering the reactant, a solid electrolyte formed on the composite oxide film and a conductor layer formed thereon; a method for producing the same and electronic devices using the same. | 12-25-2008 |
20090015989 | SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR PRODUCING THE SAME - The invention provides a solid electrolytic capacitor which can suppress increase of a leakage current due to a heat load, and a method for producing the solid electrolytic capacitor. The solid electrolytic capacitor includes an anode body, a dielectric layer formed on a surface of the anode body, a conductive polymer layer formed on the dielectric layer, and a cathode layer formed on the conductive polymer layer. The dielectric layer contains at least one metal element which is selected from the group consisting of tungsten (W), molybdenum (Mo), vanadium (V) and chromium (Cr) and which has a concentration distribution in a direction of the thickness of the dielectric layer (i.e. in a direction from the cathode side to the anode side of the dielectric layer) so that the concentration of the metal element is maximized at an interface between the dielectric layer and the conductive polymer layer. | 01-15-2009 |
20090067120 | MULTI-LAYERED SOLID ELECTROLYTIC CAPACITOR AND METHOD OF MANUFACTURING SAME - [Problem] A multi-layered solid electrolytic capacitor and a method of manufacturing the capacitor are provided that achieve an improved production yield as well as improved welding strength and product reliability by preventing sparks and welding burrs that develop during resistance welding. | 03-12-2009 |
20090103244 | Solid electrolytic capacitor and process for fabricating same - The invention provides a solid electrolytic capacitor wherein the anode has a dielectric oxide film of a structure less susceptible to damage due to mechanical stresses and which is diminished in leakage current and less prone to short-circuiting, and a process for fabricating the capacitor. The capacitor of the invention comprises an anode of aluminum having a dielectric oxide film formed over a surface thereof from amorphous alumina, and is characterized in that a plurality of tunnel-shaped etching pits are formed in the anode. The process of the invention for fabricating the solid electrolytic capacitor includes the steps of forming a plurality of tunnel-shaped etching pits in an aluminum material, effecting anodic oxidation by immersing the aluminum material in an electrolytic solution containing oxalic acid or the like, and effecting anodic oxidation by immersing the aluminum material in an electrolytic solution containing boric acid or like inorganic acid or a salt thereof or containing adipic acid or like organic acid or a salt thereof and applying a voltage at least three times the rated voltage of the capacitor. | 04-23-2009 |
20090128997 | SOLID ELECTROLYTIC CAPACITOR - An aspect of the invention provides a solid electrolytic capacitor that comprises: an anode formed of a valve metal or an alloy mainly made of a valve metal; a dielectric layer formed on a surface of the anode; a first conducting polymer layer formed on the dielectric layer, the first conducting polymer layer containing a non-ionic surfactant; a second conducting polymer layer formed on the first conducting polymer layer; and a cathode layer formed on the second conducting polymer layer. | 05-21-2009 |
20090141429 | CAPACITOR AND METHOD FOR MANUFACTURING THE SAME - A capacitor electrode includes a first surface and a second surface which are arranged opposite each other. The capacitor electrode contains an oxygen atom and a nitrogen atom. The capacitor electrode includes a position A where the oxygen atom exhibits a largest concentration value, between the first surface and the second surface in a thickness direction. The nitrogen atom is present only in an area closer to the first surface than the position A. | 06-04-2009 |
20090168304 | Stacked solid electrolytic capacitor - The present invention provides a stacked solid electrolytic capacitor that allows further reducing ESR by increasing the number of stacked layers. The stacked solid electrolytic capacitor according to the present invention is a stacked solid electrolytic capacitor having a plurality of stacked solid electrolytic capacitor elements, and each solid electrolytic capacitor element comprises an anode formed of a valve action metal, an anode section formed on an end of the anode, a dielectric formed on the surface of the valve action metal and comprising an oxide of the valve action metal, and a cathode layer formed on the dielectric. The cathode layers and the anode sections of the solid electrolytic capacitor elements are respectively connected to each other across the plurality of stacked solid electrolytic capacitor elements. A conductive layer extending in the stacking direction is formed on at least part of a side face of an area where the cathode layers of the solid electrolytic capacitor elements are formed. | 07-02-2009 |
20090195967 | Constructions Comprising Hafnium Oxide And/Or Zirconium Oxide - The invention includes ALD-type methods in which two or more different precursors are utilized with one or more reactants to form a material. In particular aspects, the precursors are hafnium and aluminum, the only reactant is ozone, and the material is hafnium oxide predominantly in a tetragonal crystalline phase. | 08-06-2009 |
20090268378 | SOLID ELECTROLYTIC CAPACITOR AND METHOD OF MANUFACTURING THE SAME - A solid electrolytic capacitor has a capacitor element and a conductive polymer as a solid electrolyte. The capacitor element includes an anode foil having a dielectric oxide film thereon, a cathode foil, and a separator interposed between the anode and cathode foils, which are wound so as to form a capacitor element. The conductive polymer is disposed between the anode and cathode foils and formed by chemical polymerization of a polymerizable monomer. The separator is made of a nonwoven fabric of synthetic fiber and has an affinity to the polymerizable monomer. The separator includes main fibers and binder fibers each having a fiber diameter smaller than that of each of the main fibers and allowing the main fibers to be bonded together. | 10-29-2009 |
20090273887 | Memory Device, Electronic Device, and Method for Producing a Memory Device - A memory device has a plurality of first electrodes, a plurality of second electrodes separated from the first electrodes, and an electrolyte located between the first electrodes and the second electrodes. The first electrodes and the second electrodes include lithium. | 11-05-2009 |
20100079929 | CMOS COMPATIBLE INTEGRATED HIGH DENSITY CAPACITOR STRUCTURE AND PROCESS SEQUENCE - Integrated circuits structures and process sequences are provided for forming CMOS compatible high-density capacitors. The anodization of tantalum to tantalum oxide in the formation of the inter-plate capacitor dielectric results in very high dielectric constants since the defects usually found in the inter-plate dielectric are eliminated in the volume expansion that occurs during the oxidation of the tantalum material. This permits the fabrication of larger capacitors that can be incorporated into standard CMOS process flows. | 04-01-2010 |
20100103589 | BASE MATERIAL FOR SOLID ELECTROLYTIC CAPACITOR, CAPACITOR USING THE BASE MATERIAL, AND METHOD FOR MANUFACTURING THE CAPACITOR - The invention relates to a substrate for solid electrolytic capacitor, wherein a first layer in the shielding layer formed by laminating a plurality of layers on top of each other, provided in an area for separating an anode part and a cathode part of the substrate for a solid electrolytic capacitor having a porous layer on its surface from a solution or dispersion of a heat resistant resin or its precursor, free from a shielding layer modification additive (except for a silane coupling agent) or containing a shielding layer modification additive content of not more than 0.1% by mass (based on the mass of the heat resistant resin or its precursor). The present invention enables to provide a method for producing a substrate for a solid electrolytic capacitor comprising a shielding layer made of a masking material which ensures the insulation between the anode part and the cathode part of the solid electrolytic capacitor; and a solid electrolytic capacitor using the substrate. | 04-29-2010 |
20100118470 | SOLID ELECTROLYTIC CAPACITOR AND METHOD OF MANUFACTURING THE SAME - A solid electrolytic capacitor includes a positive electrode foil made of metal, a dielectric oxide layer provided on a surface of the positive electrode foil, a separator provided on the dielectric oxide layer, a solid electrolyte layer made of conductive polymer impregnated in the separator, a negative electrode foil facing the dielectric oxide layer across the solid electrolyte layer, and a phosphate provided on the dielectric oxide layer. This solid electrolytic capacitor reduces a leakage current. | 05-13-2010 |
20100157510 | SOLID ELECTROLYTIC CAPACITOR - A solid electrolytic capacitor includes a capacitor element including: an anode body; a dielectric coating film deposited on a surface of the anode body; a conductive polymer layer deposited on the dielectric coating film; and a mixture layer deposited on the conductive polymer layer and containing a conductive matrix and carbon nanotubes, the anode body, the dielectric coating film, the conductive polymer layer and the mixture layer being deposited in sequence. | 06-24-2010 |
20100177463 | SOLID ELECTROLYTIC CAPACITOR AND METHOD OF FABRICATING THE SAME - A first lead frame has a cathode connection portion connected via a first electrically conductive member to a cathode portion, and a first connection portion having a first connection surface, and is at least partially, externally exposed. A second lead frame has a supporting connection portion connected via a second electrically conductive member to the cathode portion, and a second connection portion having a second connection surface facing the first connection surface. A third electrically conductive member interconnects the first and second connection portions. A solid electrolytic capacitor that can achieve low cost and high production yield can thus be provided. | 07-15-2010 |
20100182734 | CAPACITOR AND PRODUCTION METHOD THEREOF - A capacitor including an anode composed of a valve metal and having unevenness formed in the surface thereof, a dielectric layer formed by oxidizing the surface of the anode, and a cathode formed on the surface of the dielectric layer and having a solid electrolyte layer containing a π-conjugated conductive polymer and a polyanion, wherein a portion of, or all of, the cathode-side surface of the dielectric layer is treated with a salt. | 07-22-2010 |
20100246096 | USE OF CONJUGATED OLIGOMER AS ADDITIVE FOR FORMING CONDUCTIVE POLYMERS - A process for forming a capacitor. The process includes providing an anode; providing a dielectric on the anode; exposing the anode to a polymer precursor solution comprising monomer, conjugated oligomer and optionally solvent and polymerizing the polymer precursor. The ratio between monomer and conjugated oligomer ranges from 99.9/0.1 to 75/25 by weight. The solvent content in the polymer precursor solution is from 0 to 99% by weight. | 09-30-2010 |
20100254071 | SOLID ELECTROLYTIC CAPACITOR - A solid electrolytic capacitor includes an anode | 10-07-2010 |
20100302711 | SOLID ELECTROLYTIC CAPACITOR, ELECTRONIC DEVICE USING THE SAME, AND METHOD OF MANUFACTURING THE SAME - A solid electrolytic capacitor, an electronic device using the same, and a method for manufacturing the same are disclosed. An aspect of the invention provides a solid electrolytic capacitor including: an anode including any one of niobium or a niobium alloy; a dielectric layer formed on the anode, wherein the dielectric layer contains niobium oxide; and a cathode layer formed on the dielectric layer, wherein the cathode layer contains copper. | 12-02-2010 |
20110002088 | ELECTRODE FOIL FOR CAPACITOR, ELECTROLYTIC CAPACITOR USING THE SAME, AND METHOD FOR MANUFACTURING ELECTRODE FOIL FOR CAPACITOR - An electrode foil includes a base made of foil of valve metal, and a rough surface layer made of valve metal provided on a surface of the base. The rough surface layer includes plural tree structures extending d from the base. Each of the tree structures includes plural particles of valve metal linked together, and is branched into plural twigs. This electrode foil provides an electrolytic capacitor with a small size and a large capacitance. | 01-06-2011 |
20110051320 | COMPLIANT ENERGY STORING STRUCTURAL SHEET - Disclosed herein is a structural sheet includes an energy storage density that is greater than 10-mWh/ft2 and is capable of withstanding greater than 5-KPa stress under at least 5% strain. | 03-03-2011 |
20110051321 | SOLID ELECTROLYTIC CAPACITOR AND METHOD OF MANUFACTURING THEREOF - A solid electrolytic capacitor with suppressed occurrence of short circuit is provided. The solid electrolytic capacitor includes an anode body having a surface on which a dielectric film is formed, and a conductive polymer layer formed on the dielectric film. The conductive polymer layer includes at least a first conductive polymer layer formed on the dielectric film and a second conductive polymer layer formed on the first conductive polymer layer. A silane compound in the first conductive polymer layer and the silane compound in the second conductive polymer layer have respective concentrations different from each other. | 03-03-2011 |
20110122546 | CONDUCTIVE POLYMER SUSPENSION AND METHOD FOR PRODUCING THE SAME, CONDUCTIVE POLYMER MATERIAL, ELECTROLYTIC CAPACITOR, AND SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR PRODUCING THE SAME - Provided are a conductive polymer suspension for providing a conductive polymer material having a high conductivity and a method for producing the same, and in particular, a solid electrolytic capacitor having a low ESR and a method for producing the same. The conductive polymer suspension is produced as follows: a conductive polymer is synthesized by chemical oxidative polymerization of a monomer giving a conductive polymer by using an oxidant in a solvent containing a dopant consisting of polysulfonic acid or a salt thereof; the conductive polymer is purified; and the purified conductive polymer is mixed with an oxidant in an aqueous solvent containing a polyacid component. | 05-26-2011 |
20110157775 | DECOUPLING DEVICE - A decoupling device includes a lead frame, a capacitor unit, a metal layer, and a high dielectric organic-inorganic composite material layer. The lead frame includes a cathode terminal portion and an anode terminal portion. The capacitor unit is disposed on the lead frame. The capacitor unit includes a cathode portion, an anode portion, and an insulation portion located between the cathode portion and the anode portion. The cathode portion is electrically connected to the cathode terminal portion, and the anode portion is electrically connected to the anode terminal portion. The high dielectric organic-inorganic composite material layer is connected to the capacitor unit in parallel via the metal layer. | 06-30-2011 |
20110157776 | SOLID ELECTROLYTIC CAPACITOR ELEMENT AND MANUFACTURING METHOD THEREFOR - A solid electrolytic capacitor containing a solid electrolytic capacitor element with increased heat resistance, resistance to leakage current, and a low ESR and high reliability, includes a solid electrolytic capacitor element having a dielectric layer, a solid electrolyte layer, a carbon paste layer, and a conductive paste layer sequentially stacked on a surface of a valve acting metal plate, where the carbon paste layer has an end thereof on the solid electrolyte layer, the end of the carbon paste layer is covered with an insulating resin layer, and the largest thickness of the capacitor element in the section of the insulating resin layer is not more than the largest thickness of the capacitor element in the section of the conductive paste layer. A manufacturing method is also described. | 06-30-2011 |
20110157777 | INTEGRATED CAPACITOR HAVING REVERSED PLATES - A method for producing an integrated device including a capacitor. The method includes the steps of providing a functional substrate including functional circuits of the integrated device, forming a first conductive layer including a first plate of the capacitor on the functional substrate, forming a layer of insulating material including a dielectric layer of the capacitor on a portion of the first conductive layer corresponding to the first plate, forming a second conductive layer including a second plate of the capacitor and functional connections to the functional circuits on a portion of the layer of insulating material corresponding to the dielectric layer, forming a protective layer of insulating material covering the second plate and the functional connections, forming a first contact for contacting the first plate, and forming a second contact and functional contacts for contacting the second plate and the functional connections, respectively, through the protective layer. | 06-30-2011 |
20110182002 | CONDUCTIVE POLYMER SUSPENSION AND METHOD FOR PRODUCING THE SAME, CONDUCTIVE POLYMER MATERIAL, AND SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR PRODUCING THE SAME - The present invention provides a conductive polymer suspension for providing a conductive polymer material having high conductivity and a method for producing the same, and particularly provides a solid electrolytic capacitor having low ESR and a method for producing the same. In an emulsion comprising a dopant of a low molecular organic acid or a salt thereof, obtained by emulsifying a monomer providing a conductive polymer, using a nonionic surfactant, in a water, the monomer is subjected to chemical oxidative polymerization, using an oxidant, to synthesize a conductive polymer. The obtained conductive polymer is purified, and then, the purified conductive polymer and an oxidant are mixed in an aqueous solvent containing a polyacid component to produce a conductive polymer suspension. | 07-28-2011 |
20110249374 | COMPOSITION FOR FORMING HIGH DIELECTRIC FILM FOR FILM CAPACITOR - The present invention provides a high dielectric film for a film capacitor obtained by molding a film forming composition for a film capacitor comprising a thermoplastic resin (A) and surface-treated high dielectric inorganic particles (B) obtained by treating the surfaces of high dielectric inorganic particles (b1) having a dielectric constant (20° C., 1 kHz) of 100 or more with a low dielectric compound (b2) having a dielectric constant (20° C., 1 kHz) of 10 or less. This high dielectric film for a film capacitor can restrain the decrease of electrical insulating property, in spite of the high dielectric inorganic particles being dispersed at a high filling rate. | 10-13-2011 |
20110261503 | SOLD ELECTROLYTIC CAPACITOR, AND METHOD OF MANUFACTURING THE SAME - Provided is a method of manufacturing a solid electrolytic capacitor that suppresses spreading up of a solution. The method includes forming a porous sintered body made of a valve metal and having an anode wire sticking out therefrom; forming an insulating layer made of a fluorine resin, so as to surround the anode wire; and forming a dielectric layer on the porous sintered body; forming a solid electrolyte layer on the dielectric layer, after forming the insulating layer. The process of forming the insulating layer includes melting granular particles made of a fluorine resin. | 10-27-2011 |
20110267741 | SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR PRODUCING THE SAME - An object of the present invention is to provide a solid electrolytic capacitor comprising an anode body composed of a sintered body, in which ESR scarcely increases even after reflow at the time of mounting when compared with that before mounting, and a method for producing the same. Disclosed is a solid electrolytic capacitor comprising an anode body composed of a sintered body, a dielectric layer formed on a surface of the anode body, a semiconductor layer formed on the dielectric layer, wherein the semiconductor layer comprises a layer of a conductive polymer containing a sulfur element and a conductor layer formed on the semiconductor layer, wherein the conductor layer comprises a layer containing silver, wherein the layer containing silver is less than 1.3 ppm by mass in the content of a sulfur element after heat history at 260° C. for 5 seconds. | 11-03-2011 |
20110310530 | SINTERED AND NANOPORE ELECTRIC CAPACITOR, ELECTROCHEMICAL CAPACITOR AND BATTERY AND METHOD OF MAKING THE SAME - The present invention relates generally to the field of sequential surface chemistry. More specifically, it relates to products and methods for manufacturing products using Atomic Layer Deposition (“ALD”) to depose one or more materials onto a surface. ALD has the capability for high-quality defect free film deposition with few molecular layers. The present invention includes, in varying embodiments, methods of manufacturing electric components such as batteries, capacitors and electrochemical capacitors by ALD, and the products manufactured by those methods. | 12-22-2011 |
20120120555 | CAPACITOR AND MANUFACTURING METHOD THEREFOR - A capacitor includes an electrode and a dielectric layer over the electrode. The dielectric layer includes plural metal oxide particles which are spread, and have an aperture constituted by a space provided between the metal oxide particles. The capacitor further includes an insulating portion on a portion of the electrode facing an opening of the aperture of the dielectric layer. The insulating portion covers the opening of the aperture. This capacitor prevents short-circuiting between the electrodes, thus being highly reliable. | 05-17-2012 |
20120262846 | SOLID ELECTROLYTIC CAPACITOR AND METHOD OF MANUFACTURING THEREOF - A solid electrolytic capacitor with suppressed occurrence of short circuit is provided. The solid electrolytic capacitor includes an anode body having a surface on which a dielectric film is formed, and a conductive polymer layer formed on the dielectric film. The conductive polymer layer includes at least a first conductive polymer layer formed on the dielectric film and a second conductive polymer layer formed on the first conductive polymer layer. A silane compound in the first conductive polymer layer and the silane compound in the second conductive polymer layer have respective concentrations different from each other. | 10-18-2012 |
20120281338 | ALUMINUM ELECTROLYTIC CAPACITOR AND METHOD OF MANFACTURING THE SAME - An aluminum electrolytic capacitor includes an aluminum foil substrate, a porous aluminum layer, an insulating layer, an electrically conductive polymer material, an electrically conductive material, and at least two terminal electrodes. The porous aluminum layer is attached to the aluminum foil substrate. The insulating layer is formed on the porous aluminum layer. The electrically conductive polymer material overlays the insulating layer. The terminal electrodes respectively connect to the aluminum foil and the electrically conductive material. | 11-08-2012 |
20120293917 | UTILIZATION OF MOISTURE IN HERMETICALLY SEALED SOLID ELECTROLYTIC CAPACITOR AND CAPACITORS MADE THEREOF - A method for forming a hermetically sealed capacitor including: forming an anode; forming a dielectric on the anode; forming a conductive layer on the dielectric thereby forming a capacitive element; inserting the capacitive element into a casing; electrically connecting the anode to an exterior anode connection; electrically connecting the cathode to an exterior cathode connection; filling the casing with an atmosphere comprising a composition, based on 1 kg of atmosphere, of at least 175 g to no more than 245 g of oxygen, at least 7 g to no more than 11 g of water, at least 734 grams to no more than 818 grams of nitrogen and no more than 10 grams of a minor component; and hermetically sealing the casing with the atmosphere with the capacitive element contained in the casing. | 11-22-2012 |
20120300369 | CONDUCTIVE STRUCTURE HAVING AN EMBEDDED ELECTRODE, AND SOLID CAPACITOR HAVING AN EMBEDDED ELECTRODE AND METHOD OF MAKING THE SAME - A solid capacitor having an embedded electrode includes a substrate unit, a first conductive unit, a second conductive unit, a first insulative unit, a third conductive unit, a second insulative unit, and an end electrode unit. The substrate unit includes a substrate body and a conductive body embedded into the substrate body. The substrate body has a lateral opening and a plurality of top openings, and the conductive body has a lateral conductive area exposed from the lateral opening and a plurality of top conductive areas respectively exposed from the top openings. The first conductive unit includes a plurality of first conductive layers respectively covering the top conductive areas. The second conductive unit includes a second conductive layer covering the first conductive layers. The porosity rate of the second conductive layer is larger than that of each first conductive layer. | 11-29-2012 |
20130114184 | SOLID ELECTROLYTIC CAPACITOR - A silver paste layer constituting a collector layer in a solid electrolytic capacitor includes first silver particles having a peak particle size of 150 nm or less, second silver particles having a peak particle size of 500 nm or more, inorganic particles composed of material different from silver, and resin material. The inorganic particles are included at a volume ratio of 15% or more and 50% or less with respect to the total of the first silver particles and the second silver particles. | 05-09-2013 |
20130258554 | SOLID ELECTROLYTIC CAPACITOR, METHOD FOR PRODUCING THE SAME AND SOLUTION FOR SOLID ELECTROLYTIC CAPACITOR - Provided is a solid electrolytic capacitor which retains a high capacitance and a low ESR and has high heat resistance. The solid electrolytic capacitor ( | 10-03-2013 |
20130321984 | POROUS CAPACITOR - One object is to provide a porous capacitor having increased insulation reliability. In accordance with one aspect, the porous capacitor includes: a first conductor layer and a second conductor layer opposed to each other at a predetermined distance; a dielectric layer made of an oxidized valve metal and disposed between the first conductor layer and the second conductor layer; a large number of holes formed through the dielectric layer and oriented substantially orthogonal to the first conductor layer and the second conductor layer; and first electrodes and second electrodes formed of a conductive material filled in the holes; and insulation parts insulating the first electrodes from the second conductor layer and insulating the second electrodes from the first conductor layer. The thicknesses of the first conductor layer and the second conductor layer are equal to or greater than half of the inner diameter of the holes. | 12-05-2013 |
20130342966 | SOLID ELECTROLYTIC CAPACITOR AND METHOD OF PRODUCING SAME - To provide a solid electrolytic capacitor capable of high performance, the capacitor including: an anode element made of tantalum or niobium; a dielectric film disposed on the anode element; and a solid electrolytic layer disposed on the dielectric film, the dielectric film including: a first dielectric film made of an oxide of the tantalum or niobium, formed on a surface of the anode element; and a second dielectric film made of a composite metal oxide having a perovskite structure, formed on the first dielectric film. | 12-26-2013 |
20140022701 | POLYMERIZATION SOLUTION, CONDUCTIVE POLYMER FILM OBTAINED FROM THE POLYMERIZATION SOLUTION, POLYMER ELECTRODE, AND SOLID ELECTROLYTIC CAPACITOR - Disclosed is a polymerization solution for electrolytic polymerization having a small environmental load, having excellent economic efficiency and capable of producing a conductive polymer exhibiting excellent heat resistance. The polymerization solution has: a solvent consisting of 100 to 80% by mass of water and 0 to 20% by mass of an organic solvent; at least one monomer selected from the group consisting of 3,4-disubstituted thiophenes; and at least one organic non-sulfonate supporting electrolyte having an anion with the molecular weight of 200 or more. A conductive polymer film densely filled with polymer particles is obtained by performing electrolytic polymerization using the polymerization solution. A polymer electrode provided with the conductive polymer film exerts excellent heat resistance and the electrochemical activity of the polymer electrode will hardly deteriorate even when being subjected to high temperatures. Moreover, a solid electrolyte capacitor containing the conductive polymer layer obtained by performing electrolytic polymerization using the polymerization solution exhibits low dielectric loss and equivalent series resistance and exerts excellent heat resistance. | 01-23-2014 |
20140071590 | STACKED-TYPE SOLID ELECTROLYTIC CAPACITOR PACKAGE STRUCTURE - A stacked-type solid electrolytic capacitor package structure includes a capacitor unit, a package unit and a conductive unit. The capacitor unit includes a plurality of capacitors stacked on top of one another. The package unit includes a package body enclosing the capacitors. The package body has a top surface defining a package length, a package width and an effective package, and the package width is substantially between 85% and 95% of the package length. The conductive unit includes a first conductive terminal electrically connected to the positive portion of the capacitor and a second conductive terminal electrically connected to the negative portion of the capacitor. One part of the first conductive terminal and one part of the second conductive terminal are enclosed by the package body, and another part of the first conductive terminal and another part of the second conductive terminal are exposed from the package body. | 03-13-2014 |
20140211371 | Solid Electrolytic Capacitor and Method - An improved capacitor is provided with at least one anode having a dielectric on the anode and an anode lead extending from the anode. A conductive cathode layer is on the dielectric. An anode leadframe is electrically connected to the anode and a cathode leadframe is electrically connected to the cathode. An encapsulant encases the anode, a portion of the anode leadframe and a portion of the cathode leadframe such that the anode leadframe extends from the encapsulant to form an external anode leadframe and the cathode leadframe extends from the encapsulant to form an external cathode leadframe. At least one secondary electrical connection is provided wherein the secondary electrical connection is in electrical contact with the cathode and extends through the encapsulant to the external cathode leadframe or the secondary electrical contact is in electrical contact with the anode and extends through the encapsulant to the external anode leadframe. | 07-31-2014 |
20140268501 | Solid Electrolytic Capacitor for Use in Extreme Conditions - A capacitor assembly that is capable of performing under extreme conditions, such as at high temperatures and/or high voltages, is provided. The ability to perform at high temperature is achieved in part by enclosing and hermetically sealing the capacitor element within a housing in the presence of a gaseous atmosphere that contains an inert gas, thereby limiting the amount of oxygen and moisture supplied to the solid electrolyte of the capacitor element. Furthermore, the present inventors have also discovered that the ability to perform at high voltages can be achieved through a unique and controlled combination of features relating to the formation of the anode, dielectric, and solid electrolyte. For example, the solid electrolyte is formed from a combination of a conductive polymer and a hydroxy-functional nonionic polymer. | 09-18-2014 |
20140307365 | SOLID ELECTROLYTIC CAPACITOR PACKAGE STRUCTURE FOR DECREASING EQUIVALENT SERIES RESISTANCE AND METHOD OF MANUFACTURING THE SAME - A solid electrolytic capacitor package structure for decreasing equivalent series resistance (ESR), includes a capacitor unit, a package unit and a conductive unit. The capacitor unit includes a plurality of first stacked-type capacitors sequentially stacked on top of one another and electrically connected with each other. The package unit includes a package body for enclosing the capacitor unit. The conductive unit includes a first conductive terminal and a second conductive terminal having a through hole, and the stacked-type capacitors are electrically connected between the first and the second conductive terminals. The bottommost first stacked-type capacitor is positioned on the top surface of the second conductive terminal through conductive paste that has a first conductive portion disposed between the bottommost first stacked-type capacitors and the top surface of the second conductive terminal and a second conductive portion filling in the through groove to connect with the first conductive portion. | 10-16-2014 |
20140313638 | SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR MANUFACTURING SAME - [Problem] To obtain a solid electrolytic capacitor capable of suppressing leakage current and a method for manufacturing the solid electrolytic capacitor. | 10-23-2014 |
20140334067 | Solid Electrolytic Capacitor Containing a Pre-Coat Layer - A solid electrolytic capacitor that contains an anode body formed from an electrically conductive powder, dielectric located over and/or within the anode body, an adhesion coating overlying the dielectric, and a solid electrolyte overlying the adhesion coating is provided. The powder has a high specific charge and in turn a relative dense packing configuration. Despite being formed from such a powder, the present inventors have discovered that the conductive polymer can be readily impregnated into the pores of the anode. This is accomplished, in part, through the use of a discontinuous precoat layer in the adhesion coating that overlies the dielectric. The precoat layer contains a plurality of discrete nanoprojections of a manganese oxide (e.g., manganese dioxide). | 11-13-2014 |
20140334068 | Solid Electrolytic Capacitor Containing a Multi-Layered Adhesion Coating - A solid electrolytic capacitor that contains an anode body, dielectric located over and/or within the anode body, an adhesion coating overlying the dielectric, and a solid electrolyte overlying the dielectric and adhesion coating that contains a conductive polymer. The adhesion coating is multi-layered and employs a resinous layer in combination with a discontinuous layer containing a plurality of discrete nanoprojections of a manganese oxide (e.g., manganese dioxide). | 11-13-2014 |
20140334069 | Solid Electrolytic Capacitor Containing Conductive Polymer Particles - A solid electrolytic capacitor that contains an anode body, dielectric overlying the anode body, adhesion coating overlying the dielectric, and solid electrolyte overlying the adhesion coating. The solid electrolyte contains an inner conductive polymer layer and outer conductive polymer layer, at least one of which is formed from a plurality of pre-polymerized conductive polymer particles. Furthermore, the adhesion coating contains a discontinuous precoat layer containing a plurality of discrete nanoprojections of a manganese oxide (e.g., manganese dioxide). | 11-13-2014 |
20140368974 | Solid Electrolytic Capacitor for Use in High Voltage and High Temperature Applications - A capacitor assembly for use in high voltage and high temperature environments is provided. More particularly, the capacitor assembly includes a solid electrolytic capacitor element containing an anode body, a dielectric overlying the anode, and a solid electrolyte overlying the dielectric. To help facilitate the use of the capacitor assembly in high voltage applications, it is generally desired that the solid electrolyte is formed from a dispersion of preformed conductive polymer particles. In this manner, the electrolyte may remain generally free of high energy radicals (e.g., Fe | 12-18-2014 |
20150085428 | SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR MANUFACTURING SAME - A solid electrolytic capacitor comprises a positive electrode, a dielectric layer, a silane coupling layer, a conductive polymer layer, and a negative electrode layer. The dielectric layer is provided on the positive electrode. The silane coupling layer is provided on the dielectric layer. The conductive polymer layer is provided on the silane coupling layer. The negative electrode layer is provided on the conductive polymer layer. The silane coupling layer comprises a first silane coupling layer and a second silane coupling layer. The first silane coupling layer covers a part of a surface of the dielectric layer facing the conductive polymer layer. The second silane coupling layer covers at least a part of a portion exposed from the first silane coupling layer on the surface of the dielectric layer facing the conductive polymer layer. | 03-26-2015 |
20150332857 | ELECTROLYTIC CAPACITOR AND MANUFACTURING METHOD THEREOF - An electrolytic capacitor includes wound body, a solid electrolyte layer, and resin layer. Wound body is formed by winding a positive electrode member having a surface with a dielectric film thereon and a negative electrode member. The solid electrolyte layer is formed by impregnating wound body with a dispersion of a conductive polymer or a solution of a conductive polymer, and then drying the dispersion or the solution with which wound body is impregnated. Resin layer covers at least a part of an outer peripheral surface of wound body. | 11-19-2015 |
20150340161 | PASSIVE COMPONENT AND METHOD FOR MAKING THE SAME AND METHOD FOR MAKING A LEAD THEREOF - A passive component and method for making the same and method for making a lead thereof are provided. The passive component produced includes two thinned flat leads which are substantially parallel to the bottom surface of the passive component. Whereby, the passive component is easy to rest vertically on a surface without any additional aid, and convenient and quick for connection to a circuit; the passive component can has small volume, the area for wielding and contact to an electrode is increased, and the electric conduction is improved and the electric resistance is lowered; it is easy to manufacture and low-cost, and the passive component can be produced with mass production. | 11-26-2015 |
20150371785 | CARBON PASTE AND SOLID ELECTROLYTIC CAPACITOR ELEMENT - A carbon paste including a carbon powder, a resin, and an oxygen releasing oxidizer. The amount of the oxidizer is 3 to 30 parts by mass based on 100 parts by mass of the total amount of the carbon powder and the resin. A solid electrolytic capacitor element is prepared by a method which includes making a valve-action metal powder sintered to obtain an anode body, electrolytically oxidizing a surface of the anode body to chemically convert the surface into a dielectric layer, electrolytic polymerization to form a semiconductor layer of an electro conductive polymer on the dielectric layer, applying the carbon paste onto the semiconductor layer, and drying and hardening the carbon paste to form a carbon layer. | 12-24-2015 |
20160189873 | SOLID ELECTROLYTIC CAPACITOR ELEMENT - A solid electrolytic capacitor element which comprises an anode body, a dielectric layer placed so as to cover the anode body, a semiconductor layer placed on the dielectric layer, an insulator layer placed on the semiconductor layer, a carbon layer placed on the insulator layer, and a silver layer placed on the carbon layer, wherein the insulator layer has a part having a thickness of 10 to 100 nm accounting for not less than 2/3 of the whole insulator layer. | 06-30-2016 |
20160189875 | ANODE BODY FOR SOLID ELECTROLYTIC CAPACITOR ELEMENTS AND METHOD FOR PRODUCING SAME - An anode body for a solid electrolytic capacitor element, which is an anode body for a solid electrolytic capacitor element having a dielectric layer on the surface of a sintered body, wherein at least a part of the surface of the valve-acting metal particles constituting the sintered body is covered with a dielectric layer, and a part of the dielectric layer on the particle surface has a larger thickness than the other part; and a method for producing the same, in which a sintered body of a valve-acting metal is immersed in an aqueous solution of an oxidizing agent after being subjected to chemical formation, the resulting sintered body is then immersed in water-soluble alcohol and dried, and the oxidizing agent is removed by water washing. | 06-30-2016 |
20190148079 | SOLID STATE ENERGY STORAGE DEVICE AND METHOD OF FABRICATION | 05-16-2019 |